<?php

// =============================================================================
// WOOCOMMERCE/SINGLE-PRODUCT/PRODUCT-THUMBNAILS.PHP
// -----------------------------------------------------------------------------
// @version 2.0.3
// =============================================================================

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

GLOBAL $post, $product, $woocommerce;

$attachment_ids = $product->get_gallery_attachment_ids();

if ( $attachment_ids ) {

?>

  <div class="thumbnails">

  <?php

    $loop = 0;
    $columns = apply_filters( 'woocommerce_product_thumbnails_columns', 3 );

    foreach ( $attachment_ids as $attachment_id ) {

      $classes = array( 'zoom' );

      if ( $loop == 0 || $loop % $columns == 0 )
        $classes[] = 'first';

      if ( ( $loop + 1 ) % $columns == 0 )
        $classes[] = 'last';

      $image_link = wp_get_attachment_url( $attachment_id );

      if ( ! $image_link )
        continue;

      $image       = wp_get_attachment_image( $attachment_id, apply_filters( 'single_product_small_thumbnail_size', 'shop_thumbnail' ) );
      $image_class = esc_attr( implode( ' ', $classes ) );
      $image_title = esc_attr( get_the_title( $attachment_id ) );

      echo apply_filters( 'woocommerce_single_product_image_thumbnail_html', sprintf( '<a href="%s" class="%s x-img x-img-link x-img-thumbnail" title="%s" data-rel="prettyPhoto[product-gallery]">%s</a>', $image_link, $image_class, $image_title, $image ), $attachment_id, $post->ID, $image_class );

      $loop++;

    }

  ?>

  </div>

  <?php

}